Winner’s curse is something that can affect any bidder at auction, especially if they are not informed. This term refers to a bidder not knowing the value of an item, bidding too much, and then winning. Typically, this happens when the auction gets heated and leaves the winner feeling embarrassed. There are some ways to avoid the winner’s curse, though, and it is important to understand them before going to auction.

When it comes to collectible coins, there are a variety of factors that determine rarity. Some factors that come into play include mint, collectibility, condition, appeal, and age. The following can help you understand how a few of these affect the rarity factor.